Era
20th century
126
1909-2001
34
1900-1999
22
19th century
12
1865-
11
1917-1967
6
1895-1981
5
1873-1945
4
1890-1980
4
1935-
4
1873-1947
3
1897-1962
3
Civil War, 1861-1865
3
1800-1899
2
1810-1879
2
1893-1963
2
1897-1966
2
1897-1988
2
18th century
2
1910-1985
2
1700-1799
1
1800-1999
1
1835-1909
1
1849-1883
1
1850-1904
1
1882-1941
1
1883-1928
1
1900 - 1999
1
1916-1990
1
1921-
1
1923-2013
1
1936-
1
1936-2010
1
1944-
1
1960-
1
21st century
1
Since 1800
1
Since 1865
1